CN211644225U - Maintenance control circuit of elevator and elevator - Google Patents
Maintenance control circuit of elevator and elevator Download PDFInfo
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- CN211644225U CN211644225U CN201922253132.6U CN201922253132U CN211644225U CN 211644225 U CN211644225 U CN 211644225U CN 201922253132 U CN201922253132 U CN 201922253132U CN 211644225 U CN211644225 U CN 211644225U
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Abstract
The utility model discloses an overhaul control circuit and elevator of elevator, the overhaul control circuit of elevator include that pit overhauls switch group, sedan-chair top overhauls switch group, pit action switch group and sedan-chair top action switch group. The utility model provides an among the prior art in elevator maintenance process pit maintainer's safety can't obtain the technical problem of guarantee, reached and realized that the pit overhauls to overhaul in preference to the sedan-chair top to the technological effect of the security of maintainer when the pit overhauls has been improved.
Description
Technical Field
The embodiment of the utility model provides a relate to the elevator overhauls technical field, especially relates to an overhaul control circuit and elevator of elevator.
Background
The design standard of an elevator maintenance loop mainly relates to car roof maintenance, car interior maintenance and machine room maintenance. The priority of the three maintenance loops is firstly the safety of the maintenance personnel on the top of the car, then the maintenance personnel in the car and finally the maintenance personnel in the machine room. The car roof is the most preferred, because the car roof is dangerous relative to the interior of the car and a machine room, and the safety of maintainers cannot be guaranteed. Secondly, when the maintenance personnel in the sedan are operating, if the maintenance personnel in the machine room and the sedan top perform maintenance, no reaction exists, and the safety of the maintenance personnel in the sedan is effectively protected.
However, if the maintainer enters the shaft to be overhauled, the operation can be carried out only through car top overhauling, the operation is not convenient and fast enough, and in the overhauling process, the safety of the maintainer in the pit cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overhaul control circuit and elevator of elevator has reached and has realized that the pit overhauls prior to the sedan-chair top and overhauls to the technological effect of the security of maintainer when the pit overhauls has been improved.
The embodiment of the utility model provides an overhaul control circuit of an elevator, the overhaul control circuit is connected with an elevator main control board and a first power supply, and the elevator main control board comprises an overhaul signal terminal, an uplink signal terminal and a downlink signal terminal;
the maintenance control circuit comprises a pit maintenance switch group, a car top maintenance switch group, a pit action switch group and a car top action switch group;
the pit inspection switch group includes: a normally closed first pit maintenance switch and a normally open second pit maintenance switch; the first pit maintenance switch is linked with the second pit maintenance switch; the first pit maintenance switch is connected between the maintenance signal terminal and the first power supply, and the second pit maintenance switch is connected between the uplink signal terminal and the first power supply;
the car top maintenance switch group comprises: the system comprises a normally closed first car top maintenance switch, a normally open second car top maintenance switch and a normally open third car top maintenance switch; the first car top maintenance switch, the second car top maintenance switch and the third car top maintenance switch are linked; the first car top maintenance switch is connected between the maintenance signal terminal and the first pit maintenance switch, the second car top maintenance switch is connected between the uplink signal terminal and the first pit maintenance switch, and the third car top maintenance switch is connected between the uplink signal terminal and the first power supply;
the pit action switch group includes: the system comprises a normally open first pit slow-up switch and a normally open first pit slow-down switch; the first pit slow-up switch is connected between the uplink signal terminal and the third car top maintenance switch, and the first pit slow-down switch is connected between the downlink signal terminal and the third car top maintenance switch;
the car top action switch group comprises: the system comprises a normally open first car roof slow-up switch, a normally open second car roof slow-up switch, a normally open first car roof slow-down switch and a normally open second car roof slow-down switch; the first car roof slow-up switch is linked with the second car roof slow-up switch, and the first car roof slow-down switch is linked with the second car roof slow-down switch; the first car top slow-up switch is connected between the uplink signal terminal and the second car top maintenance switch, the second car top slow-up switch is connected between the first pit slow-up switch and the third car top maintenance switch, the first car top slow-down switch is connected between the downlink signal terminal and the second car top maintenance switch, and the second car top slow-down switch is connected between the first pit slow-down switch and the third car top maintenance switch.
Furthermore, the overhaul control circuit also comprises a public switch group, wherein the public switch group comprises a normally open first car roof public switch, a normally open second car roof public switch, a normally open first pit public switch and a normally open second pit public switch;
the first car top public switch is linked with the second car top public switch; the first pit public switch is linked with the second pit public switch;
the first car top public switch is connected between the first car top slow-up switch and the second car top maintenance switch, the second car top public switch is connected between the second car top slow-up switch and the third car top maintenance switch, the first pit public switch is connected between the third car top maintenance switch and the second pit maintenance switch, and the second pit public switch is connected between the uplink signal terminal and the first power supply.
Further, the pit inspection switch group further includes: a normally open third pit inspection switch; the third pit overhauling switch is linked with the first pit overhauling switch and the second pit overhauling switch, and the third pit overhauling switch is connected between the second pit public switch and the first power supply;
the car top maintenance switch group further comprises: and the fourth car top maintenance switch is in normally closed connection between the third pit maintenance switch and the first power supply.
Further, the pit action switch group further includes: a normally open second pit slow-up switch and a normally open second pit slow-down switch;
the second pit slow-up switch is linked with the first pit slow-up switch, and the second pit slow-down switch is linked with the first pit slow-down switch;
the second pit slow-up switch is connected between the uplink signal terminal and the second pit common switch, and the second pit slow-down switch is connected between the downlink signal terminal and the second pit common switch.
Further, the first car top public switch and the second car top public switch are both arranged at the top outside the elevator car body;
the first pit public switch and the second pit public switch are arranged at the pit of the elevator shaft.
Furthermore, the overhaul control circuit also comprises a machine room switch group, wherein the machine room switch group comprises a normally closed first machine room overhaul switch, a normally open second machine room overhaul switch, a normally open machine room slow-up switch and a normally open machine room slow-down switch;
the first machine room maintenance switch is linked with the second machine room maintenance switch;
the first machine room maintenance switch is connected between the maintenance signal terminal and the first car top maintenance switch, the second machine room maintenance switch is connected between the machine room slow-up switch and the first car top maintenance switch, the machine room slow-up switch is connected between the uplink signal terminal and the second machine room maintenance switch, and the machine room slow-down switch is connected between the downlink signal terminal and the second machine room maintenance switch.
Further, the machine room switch group is arranged at the machine room of the elevator.
Furthermore, the pit maintenance switch group and the pit action switch group are both arranged at the pit of the elevator shaft;
the car top maintenance switch group and the car top action switch group are arranged on the top outside the elevator car body.
The embodiment of the utility model provides a still provide an elevator, the elevator includes any one of above-mentioned embodiment the maintenance control circuit of elevator.
The utility model discloses an overhaul control circuit and elevator of elevator, the overhaul control circuit of elevator include that pit overhauls switch group, sedan-chair top overhauls switch group, pit action switch group and sedan-chair top action switch group. The utility model provides an among the prior art in elevator maintenance process pit maintainer's safety can't obtain the technical problem of guarantee, reached and realized that the pit overhauls to overhaul in preference to the sedan-chair top to the technological effect of the security of maintainer when the pit overhauls has been improved.
Drawings
Fig. 1 is a schematic diagram of an overhaul control circuit of an elevator provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of another elevator maintenance control circuit provided by the embodiment of the invention;
fig. 3 is a schematic diagram of a maintenance control circuit of another elevator provided by the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that the terms "first", "second", and the like in the description and claims of the present invention and the accompanying drawings are used for distinguishing different objects, and are not intended to limit a specific order. The embodiments of the present invention can be implemented individually, and can be implemented by combining each other between the embodiments, and the embodiments of the present invention are not limited to this.
Fig. 1 is the embodiment of the utility model provides an overhaul control circuit's of elevator schematic diagram.
As shown in fig. 1, the maintenance control circuit 10 is connected to an elevator main control board 11 and a first power source VCC, and the elevator main control board 11 includes a maintenance signal terminal 101, an uplink signal terminal 102, and a downlink signal terminal 103.
The maintenance control circuit 10 includes a pit maintenance switch group 201, a car roof maintenance switch group 202, a pit operation switch group 203, and a car roof operation switch group 204.
The pit inspection switch group 201 includes: a normally closed first pit maintenance switch SZP-1 and a normally open second pit maintenance switch SZP-2; the first pit maintenance switch SZP-1 is linked with the second pit maintenance switch SZP-2; the first pit inspection switch SZP-1 is connected between the inspection signal terminal 101 and the first power source VCC, and the second pit inspection switch SZP-2 is connected between the uplink signal terminal 102 and the first power source VCC.
The car top service switch group 202 includes: a normally closed first car top maintenance switch SZD-1, a normally open second car top maintenance switch SZD-2 and a normally open third car top maintenance switch SZD-3; the first car top maintenance switch SZD-1, the second car top maintenance switch SZD-2 and the third car top maintenance switch SZD-3 are linked; the first car top maintenance switch SZD-1 is connected between the maintenance signal terminal 101 and the first pit maintenance switch SZP-1, the second car top maintenance switch SZD-2 is connected between the uplink signal terminal 102 and the first pit maintenance switch SZP-1, and the third car top maintenance switch SZD-3 is connected between the uplink signal terminal 102 and the first power supply VCC.
The pit actuation switch group 203 includes: a normally open first pit slow-up switch SPS-1 and a normally open first pit slow-down switch SPX-1; the first pit slow-up switch SPS-1 is connected between the uplink signal terminal 102 and the third car top maintenance switch SZD-3, and the first pit slow-down switch SPX-1 is connected between the downlink signal terminal 103 and the third car top maintenance switch SZD-3.
The car roof action switch group 204 includes: the system comprises a normally open first car roof slow upper switch SDS-1, a normally open second car roof slow upper switch SDS-2, a normally open first car roof slow lower switch SDX-1 and a normally open second car roof slow lower switch SDX-2; the first car top slow upper switch SDS-1 is linked with the second car top slow upper switch SDS-2, and the first car top slow lower switch SDX-1 is linked with the second car top slow lower switch SDX-2; the first car roof slow-up switch SDS-1 is connected between the uplink signal terminal 102 and the second car roof maintenance switch SZD-2, the second car roof slow-up switch SDS-2 is connected between the first pit slow-up switch SPS-1 and the third car roof maintenance switch SZD-3, the first car roof slow-down switch SDX-1 is connected between the downlink signal terminal 103 and the second car roof maintenance switch SZD-2, and the second car roof slow-down switch SDX-2 is connected between the first pit slow-down switch SPX-1 and the third car roof maintenance switch SZD-3.
The embodiment of the utility model provides an in, when the pit of elevator and sedan-chair top were overhauld simultaneously, at first guarantee pit maintainer's safety, then sedan-chair top maintainer's safety, the priority that the pit overhauld promptly is higher than the priority that the sedan-chair top overhauld. Specifically, referring to fig. 1, the voltage at the first power source VCC may be set to 24V. When the normally closed first car top maintenance switch SZD-1 and the normally closed first pit maintenance switch SZP-1 are pressed down simultaneously, the 24V voltage at the first power supply VCC can not reach the point A through a loop, namely the elevator is in a maintenance state, and the car top and the pit are maintained simultaneously; the third ceiling service switch SZD-3 linked with the first ceiling service switch SZD-1 is closed, the second pit service switch SZP-2 linked with the first pit service switch SZP-1 is closed, the 24V voltage at the first power source VCC reaches the J point through the second pit service switch SZP-2, and the third ceiling service switch SZD-3.
At the moment, if the first car roof slow-up switch SDS-1 and the first pit slow-up switch SPS-1 are synchronously pressed down, the second car roof slow-up switch SDS-2 linked with the first car roof slow-up switch SDS-1 is closed, the 24V voltage at the first power supply VCC reaches a point B through the second car roof slow-up switch SDS-2 and the first pit slow-up switch SPS-1, the elevator main control panel 11 receives an uplink signal through the uplink signal terminal 102, and the elevator starts to run slowly; similarly, if the first car roof slow-down switch SDX-1 and the first pit slow-down switch SPX-1 are synchronously pressed, the second car roof slow-down switch SDX-2 linked with the first car roof slow-down switch SDX-1 is closed, the 24V voltage at the first power supply VCC reaches the point C through the second car roof slow-down switch SDX-2 and the first pit slow-down switch SPX-1, the elevator main control board 11 receives a downlink signal through the downlink signal terminal 103, and the elevator starts to run slowly.
This application has realized when the sedan-chair top and the pit of elevator overhaul simultaneously, and only the sedan-chair top and the pit move simultaneously from top to bottom slowly, and the elevator just can move from top to bottom slowly, has effectively guaranteed pit maintainer and sedan-chair top maintainer's personal safety. In the process of simultaneously overhauling the car roof and the pit, if only the slow-up switch or the slow-down switch of the car roof is pressed and the slow-up switch or the slow-down switch of the pit is not pressed, the 24V voltage at the first power supply VCC can not reach the uplink signal terminal 102 or the downlink signal terminal 103, so that the guaranteed priority level of pit overhauling is higher than that of car roof overhauling.
The utility model provides an among the prior art in elevator maintenance process pit maintainer's safety can't obtain the technical problem of guarantee, reached and realized that the pit overhauls to overhaul in preference to the sedan-chair top to the technological effect of the security of maintainer when the pit overhauls has been improved.
Fig. 2 is a schematic diagram of another elevator maintenance control circuit provided by the embodiment of the present invention.
Optionally, as shown in fig. 2, the service control circuit 10 further includes a common switch bank 205, the common switch bank 205 including a first normally open top common switch SCM-1, a second normally open top common switch SCM-2, a first normally open pit common switch PCM-1 and a second normally open pit common switch PCM-2.
Specifically, a first car top public switch SCM-1 is linked with a second car top public switch SCM-2; the first pit public switch PCM-1 is linked with the second pit public switch PCM-2.
The first car top public switch SCM-1 is connected between the first car top slow-up switch SDS-1 and the second car top maintenance switch SZD-2, the second car top public switch SCM-2 is connected between the second car top slow-up switch SDS-2 and the third car top maintenance switch SZD-3, the first pit public switch PCM-1 is connected between the third car top maintenance switch SZD-3 and the second pit maintenance switch SZP-2, and the second pit public switch PCM-2 is connected between the uplink signal terminal 102 and the first power VCC.
The embodiment of the utility model provides an in, public switch group 205 is equivalent to double insurance's effect to pit action switch group 203 and sedan-chair top action switch group 204, when carrying out pit maintenance and/or sedan-chair top maintenance, need press corresponding switch in public switch group 205 earlier, then press after the switch in pit action switch group 203 and/or the sedan-chair top action switch group 204 again, just can realize the slow up or the action down of elevator, prevent to arouse when the adhesion takes place for a certain switch in pit action switch group 203 or the sedan-chair top action switch group 204 that unnecessary maloperation causes the potential safety hazard to the maintainer.
For example, referring to fig. 2, when the normally closed first car top maintenance switch SZD-1 and the normally closed first pit maintenance switch SZP-1 are pressed simultaneously, the 24V voltage at the first power source VCC cannot reach point a through the loop, that is, the elevator is in a maintenance state, and the car top and the pit are maintained simultaneously; the third ceiling service switch SZD-3 linked with the first ceiling service switch SZD-1 is closed, the second pit service switch SZP-2 linked with the first pit service switch SZP-1 is closed, the 24V voltage at the first power source VCC reaches the J point through the second pit service switch SZP-2, and the third ceiling service switch SZD-3.
At the moment, a first car top public switch SCM-1 and a first pit public switch PCM-1 need to be pressed down, correspondingly, a second car top public switch SCM-2 linked with the first car top public switch SCM-1 is closed, and a second pit public switch PCM-2 linked with the first pit public switch PCM-1 is closed; then correspondingly pressing down a first car top slow-up switch SDS-1 and a first pit slow-up switch SPS-1 at the same time, and realizing slow-up running of the elevator; and similarly, the first car roof slow-down switch SDX-1 and the first pit slow-down switch SPX-1 are synchronously pressed down, so that the elevator runs slowly. As can be seen from fig. 2, the connection positions of the first ceiling common switch SCM-1 and the second ceiling common switch SCM-2 are closer to the elevator main control panel 11 than the first pit common switch PCM-1 and the second pit common switch PCM-2, and it is obvious that if only the first ceiling common switch SCM-1 is pressed, the voltage at the first power source VCC does not reach the uplink signal terminal 102 or the downlink signal terminal 103, and the elevator can realize slow-up or slow-down action only when the first pit common switch PCM-1 is also pressed, and through such a connection manner, the priority of pit maintenance is further effectively higher than that of the ceiling maintenance.
Optionally, as shown in fig. 2, the pit inspection switch group 201 further includes: a normally open third pit inspection switch SZP-3; and the third pit overhaul switch SZP-3 is linked with the first pit overhaul switch SZP-1 and the second pit overhaul switch SZP-2, and the third pit overhaul switch SZP-3 is connected between the second pit public switch PCM-2 and the first power supply VCC.
The ceiling service switch group 202 further includes: and the normally closed fourth car top maintenance switch SZD-4 is connected between the third pit maintenance switch SZP-3 and the first power supply VCC.
Optionally, as shown in fig. 2, the pit actuation switch group 203 further includes: a normally open second pit slow up switch SPS-2 and a normally open second pit slow down switch SPX-2.
The second pit slow upper switch SPS-2 is linked with the first pit slow upper switch SPS-1, and the second pit slow lower switch SPX-2 is linked with the first pit slow lower switch SPX-1.
A second pit slow up switch SPS-2 is connected between the up signal terminal 102 and a second pit common switch PCM-2, and a second pit slow down switch SPX-2 is connected between the down signal terminal 103 and the second pit common switch PCM-2.
With reference to fig. 2, the following operations can be implemented by the service control circuit of the elevator shown in fig. 2: when the elevator pit and the elevator car top are separately maintained, the elevator can slowly ascend and descend; when the pit and the car top are in maintenance at the same time, and the public switches at the pit and the car top act at the same time, only when the switches on the car top and the pit are closed at the same time at slow ascending or slow descending, the elevator can act at slow ascending and slow descending. The above effects will be described in detail below by taking the case where the pit is separately maintained and the car roof is separately maintained as an example.
Illustratively, as shown in fig. 2, when the pit of the elevator is repaired, the normally closed first pit maintenance switch SZP-1 is turned off, the 24V voltage at the first power source VCC cannot reach the point a, and the elevator is in a maintenance state. The normally open second pit maintenance switch SZP-1 and the normally open third pit maintenance switch SZP-3 are closed, the 24V voltage at the first power supply VCC reaches the H point through the normally closed fourth car top maintenance switch SZD-4, when the first pit public switch PCM-1 and the first pit slow-up switch SPS-1 are pressed simultaneously, the 24V voltage at the first power supply VCC reaches the B point through the second pit slow-up SPS-2 switch, and the elevator starts to run slowly; the same principle is operated under slow speed.
Exemplarily, as shown in fig. 2, when the car roof of the elevator is overhauled, the normally closed first car roof overhaul switch SZD-1 is turned off, the 24V voltage at the first power source VCC cannot reach the point a through the loop, the elevator is in an overhaul state, the normally open points of the normally open second car roof overhaul switch SZD-2 and the normally open third car roof overhaul switch SZD-3 are closed, the 24V voltage at the first power source VCC reaches the point E through the normally closed first pit overhaul switch SZP-1, when the first car roof common switch SCM-1 and the first car roof slow-up switch SDS-1 are pressed simultaneously, the 24V voltage at the first power source VCC reaches the point B through the loop, and the elevator starts to run slowly; the same principle is operated under slow speed.
Optionally, a first ceiling common switch SCM-1 and a second ceiling common switch SCM-2 are both arranged on the roof outside the elevator car body; the first pit common switch PCM-1 and the second pit common switch PCM-2 are both disposed at a pit of an elevator shaft.
Optionally, the pit inspection switch group 201 and the pit action switch group 203 are both arranged at the pit of the elevator shaft; the car top maintenance switch group 202 and the car top action switch group 204 are both arranged at the top outside the elevator car body.
In the embodiment of the utility model, the switches related to the car roof, such as the first car roof common switch SCM-1, the second car roof common switch SCM-2, the car roof maintenance switch group 202 and the car roof action switch group 204 are all arranged at the top outside the elevator car body, namely at the car roof of the elevator, so that the personnel performing maintenance on the car roof can use the switches conveniently; the switches related to the pit, such as the first pit public switch PCM-1, the second pit public switch PCM-2, the pit inspection switch group 201 and the pit action switch group 203, are all arranged at the pit of the elevator shaft, namely, at the pit of the elevator, so that the personnel who perform inspection and repair at the pit can use the switches conveniently. And the switch on the car roof and the switch on the pit are separately arranged, so that the condition that misoperation cannot occur and potential safety hazards are caused is further ensured.
Fig. 3 is a schematic diagram of a maintenance control circuit of another elevator provided by the embodiment of the present invention.
Optionally, as shown in fig. 3, the overhaul control circuit 10 further includes a machine room switch group 206, where the machine room switch group 206 includes a normally closed first machine room overhaul switch SZF-1, a normally open second machine room overhaul switch SZF-2, a normally open machine room slow-up switch SFS, and a normally open machine room slow-down switch SFX. The machine room switch group 206 is disposed at the machine room of the elevator.
Specifically, a first machine room maintenance switch SZF-1 is linked with a second machine room maintenance switch SZF-2; the first machine room maintenance switch SZF-1 is connected between the maintenance signal terminal 101 and the first car top maintenance switch SZD-1, the second machine room maintenance switch SZF-2 is connected between the machine room slow-up switch SFS and the first car top maintenance switch SZD-1, the machine room slow-up switch SFS is connected between the uplink signal terminal 102 and the second machine room maintenance switch SZF-2, and the machine room slow-down switch SFX is connected between the downlink signal terminal 103 and the second machine room maintenance switch SZF-2.
The embodiment of the utility model provides an in, the maintenance control circuit of elevator still includes computer lab switch group 206, when the maintenance control circuit relates to pit maintenance, sedan-chair top maintenance and computer lab maintenance, at first guarantees pit maintainer's safety, then sedan-chair top maintainer's case, is computer lab maintainer's safety at last, and the priority that the pit was overhauld promptly is higher than the priority that the sedan-chair top was overhauld, and the priority that the sedan-chair top was overhauld is higher than the priority that the computer lab was overhauld.
In particular, with reference to fig. 3, the following operations can be implemented by the service control circuit of the elevator shown in fig. 3: when a pit, a car roof and a machine room of the elevator are respectively and independently maintained, the slow ascending and descending of the elevator can be realized; when the pit and the car top are maintained at the same time, and the public switches at the pit and the car top act at the same time, the elevator can act up and down slowly only when the switches at the top and the bottom are closed at the same time; when the pit and the machine room are maintained at the same time, only the relevant switches at the pit can control the operation of the maintenance control circuit; when the car roof and the machine room are in maintenance at the same time, only the relevant switch at the car roof can control the loop to operate; when the pit, the car roof and the machine room are all in maintenance, maintenance control of the machine room is not needed to be considered, the action rules when the pit and the car roof are simultaneously in maintenance are referenced, the public switches at the pit and the car roof act simultaneously, the switches on the car roof and the pit are closed at the same time, and the elevator can act up and down slowly.
The application provides an overhaul control circuit of elevator has following advantage: when the pit and the car roof of the elevator are maintained by workers at the same time, the public switches of the car roof and the pit need to be pressed down at the same time, then the slow up-down switches at the car roof and the pit are closed synchronously, the elevator can go up and down slowly, and the safety of the maintenance personnel at the pit and the car roof is guaranteed; the overhaul condition of the elevator is controlled in the pit through the overhaul control circuit by the overhaul personnel, so that the elevator can be overhauled in the pit by the overhaul personnel, and the working efficiency is improved; the safety of pit maintainers is improved; the priority of pit maintenance is higher than that of car top maintenance.
The embodiment of the utility model provides a still provide an elevator, the elevator includes any one of above-mentioned embodiment the maintenance control circuit of elevator.
The embodiment of the utility model provides an elevator includes the maintenance control circuit of the elevator in above-mentioned embodiment, consequently the embodiment of the utility model provides an elevator also possesses the beneficial effect that the above-mentioned embodiment described, and here is no longer repeated.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. An overhaul control circuit of an elevator is connected with an elevator main control board and a first power supply, and is characterized in that the elevator main control board comprises an overhaul signal terminal, an uplink signal terminal and a downlink signal terminal;
the maintenance control circuit comprises a pit maintenance switch group, a car top maintenance switch group, a pit action switch group and a car top action switch group;
the pit inspection switch group includes: a normally closed first pit maintenance switch and a normally open second pit maintenance switch; the first pit maintenance switch is linked with the second pit maintenance switch; the first pit maintenance switch is connected between the maintenance signal terminal and the first power supply, and the second pit maintenance switch is connected between the uplink signal terminal and the first power supply;
the car top maintenance switch group comprises: the system comprises a normally closed first car top maintenance switch, a normally open second car top maintenance switch and a normally open third car top maintenance switch; the first car top maintenance switch, the second car top maintenance switch and the third car top maintenance switch are linked; the first car top maintenance switch is connected between the maintenance signal terminal and the first pit maintenance switch, the second car top maintenance switch is connected between the uplink signal terminal and the first pit maintenance switch, and the third car top maintenance switch is connected between the uplink signal terminal and the first power supply;
the pit action switch group includes: the system comprises a normally open first pit slow-up switch and a normally open first pit slow-down switch; the first pit slow-up switch is connected between the uplink signal terminal and the third car top maintenance switch, and the first pit slow-down switch is connected between the downlink signal terminal and the third car top maintenance switch;
the car top action switch group comprises: the system comprises a normally open first car roof slow-up switch, a normally open second car roof slow-up switch, a normally open first car roof slow-down switch and a normally open second car roof slow-down switch; the first car roof slow-up switch is linked with the second car roof slow-up switch, and the first car roof slow-down switch is linked with the second car roof slow-down switch; the first car top slow-up switch is connected between the uplink signal terminal and the second car top maintenance switch, the second car top slow-up switch is connected between the first pit slow-up switch and the third car top maintenance switch, the first car top slow-down switch is connected between the downlink signal terminal and the second car top maintenance switch, and the second car top slow-down switch is connected between the first pit slow-down switch and the third car top maintenance switch.
2. The elevator service control circuit of claim 1, further comprising a bank of common switches comprising a normally open first ceiling common switch, a normally open second ceiling common switch, a normally open first pit common switch, and a normally open second pit common switch;
the first car top public switch is linked with the second car top public switch; the first pit public switch is linked with the second pit public switch;
the first car top public switch is connected between the first car top slow-up switch and the second car top maintenance switch, the second car top public switch is connected between the second car top slow-up switch and the third car top maintenance switch, the first pit public switch is connected between the third car top maintenance switch and the second pit maintenance switch, and the second pit public switch is connected between the uplink signal terminal and the first power supply.
3. Overhaul control circuit of an elevator according to claim 2,
pit overhauls switch block still includes: a normally open third pit inspection switch; the third pit overhauling switch is linked with the first pit overhauling switch and the second pit overhauling switch, and the third pit overhauling switch is connected between the second pit public switch and the first power supply;
the car top maintenance switch group further comprises: and the fourth car top maintenance switch is in normally closed connection between the third pit maintenance switch and the first power supply.
4. Overhaul control circuit of an elevator according to claim 2,
the pit action switch group further comprises: a normally open second pit slow-up switch and a normally open second pit slow-down switch;
the second pit slow-up switch is linked with the first pit slow-up switch, and the second pit slow-down switch is linked with the first pit slow-down switch;
the second pit slow-up switch is connected between the uplink signal terminal and the second pit common switch, and the second pit slow-down switch is connected between the downlink signal terminal and the second pit common switch.
5. Overhaul control circuit of an elevator according to claim 2,
the first car top common switch and the second car top common switch are arranged on the top outside the elevator car body;
the first pit public switch and the second pit public switch are arranged at the pit of the elevator shaft.
6. The elevator overhaul control circuit of claim 1, further comprising a machine room switch bank comprising a normally closed first machine room overhaul switch, a normally open second machine room overhaul switch, a normally open machine room slow-up switch, and a normally open machine room slow-down switch;
the first machine room maintenance switch is linked with the second machine room maintenance switch;
the first machine room maintenance switch is connected between the maintenance signal terminal and the first car top maintenance switch, the second machine room maintenance switch is connected between the machine room slow-up switch and the first car top maintenance switch, the machine room slow-up switch is connected between the uplink signal terminal and the second machine room maintenance switch, and the machine room slow-down switch is connected between the downlink signal terminal and the second machine room maintenance switch.
7. Overhaul control circuit of an elevator according to claim 6, characterized in that said machine room switch group is arranged at the machine room of the elevator.
8. Overhaul control circuit of an elevator according to claim 1,
the pit maintenance switch group and the pit action switch group are both arranged at the pit of the elevator shaft;
the car top maintenance switch group and the car top action switch group are arranged on the top outside the elevator car body.
9. Elevator, characterized in that it comprises a service control circuit of the elevator described in any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922253132.6U CN211644225U (en) | 2019-12-16 | 2019-12-16 | Maintenance control circuit of elevator and elevator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978524A (en) * | 2021-03-02 | 2021-06-18 | 北京索德电气工业有限公司 | Elevator function safety control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978524A (en) * | 2021-03-02 | 2021-06-18 | 北京索德电气工业有限公司 | Elevator function safety control system |
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